8 poor color reproduction, Poor color reproduction -40 – Konica Minolta Magicolor 5440 DL User Manual

Page 227

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background image

Image Quality Problems

Main Unit Field Service

4-40

IV

T

roub

lshoo

t

in

g

5.1.8

Poor color reproduction

A. Typical Faulty Images

B. Troubleshooting Procedure

4138fs4503c0

Step

Section

Check Item

Result

Action

1

Paper

Is the paper damp?

YES

Replace the paper with paper that
has just been unwrapped.

2

Transfer Belt Unit Is the terminal dirty?

YES

Clean.

3

AIDC Sensor/Rt,

AIDC Sensor/Lt

Is the sensor dirty?

YES

Clean.

4

Has the problem been eliminated
through the checks of steps up to
3?

NO

Change the Transfer Belt Unit.
→ Change the AIDC Sensor.

→ Change the Mechanical

Control Board.

→ Change High Voltage Unit/1.

→ Change High Voltage Unit/2.

5450_E.book_PDF.book 40 ページ 2005年4月12日 火曜日 午後12時54分

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